Cushion|Lab Grown|IGI

2.59ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG788605558

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG788605558

Diamond specifications and retailer prices

From £320 GBP

$426 USD

As of October 28, 2026

Save £1,850 GBP (85%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: £2,170 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 2.59ct lab-grown cushion diamond

This 2.59ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788605558 or 788605558. Listed at 20 retailers as of October 28, 2026, with prices from £320 to £2,170, a £1,850 spread on the same certified stone. Brilliant Earth lists it at £2,170. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.59

Carat

Colour

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.4°

Pavilion angle37.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG788605558

Dimensions9.68 × 7.02 × 4.95 mm

L/W Ratio1.38

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG788605558

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28

Current: £2,170 GBP|Low: £320 GBP|High: £2,238 GBP|Avg: £975 GBP

Brilliant Earth

Retailer 2

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Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

October 29, 2026

Retailer 6£320 GBP

Retailer 13£354 GBP

Retailer 9£377 GBP

Retailer 10£421 GBP

Retailer 3£499 GBP

Retailer 8£547 GBP

Retailer 5£570 GBP

Retailer 2£639 GBP

Retailer 4£1,126 GBP

Retailer 15£1,149 GBP

Retailer 7£1,373 GBP

Retailer 14£1,375 GBP

Retailer 12£1,390 GBP

Retailer 11£1,611 GBP

Brilliant Earth£2,170 GBP

44 data points across 15 retailers

20 retailers£320 GBP to £2,170 GBP

Cheapest Retailer

£320 GBP

$426 USD

Final sale: no returns

Retailer 2

£354 GBP

$471 USD

View

Retailer 3

£377 GBP

View

Retailer 4

£394 GBP

HK$4,100 HKD

View

Retailer 5

£421 GBP

$560 USD

View

B+

Retailer 6

£499 GBP

$665 USD

View

Retailer 7

£547 GBP

€694 EUR

View

Retailer 8

£570 GBP

$759 USD

View

Retailer 9

£639 GBP

View

Retailer 10

£813 GBP

$1,082 USD

View

B+

Retailer 11

£1,126 GBP

SGD 2,027 SGD

View

B+

Retailer 12

£1,149 GBP

$1,530 USD

View

B+

Retailer 13

£1,167 GBP

$1,554 USD

View

B+

Retailer 14

£1,326 GBP

$1,766 USD

View

B+

Retailer 15

£1,328 GBP

$1,769 USD

View

B+

Retailer 16

£1,373 GBP

View

B+

Retailer 17

£1,375 GBP

A$2,816 AUD

View

Price last confirmed 21 days ago

B+

Retailer 18

£1,390 GBP

View

Price last confirmed 8 days ago

B+

Retailer 19

£1,611 GBP

$2,145 USD

View

Most Expensive

Brilliant Earth

18808176A · Oct 29

£2,170 GBP

$2,890 USD

View

19 more retailers have this diamond

Prices start from £320 GBPSave up to £1,850 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

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